61594980 has 24 divisors (see below), whose sum is σ = 172466112. Its totient is φ = 16425312.

The previous prime is 61594921. The next prime is 61594987. The reversal of 61594980 is 8949516.

It is a super-2 number, since 2×61594980² = 7587883122400800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61594987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513232 + ... + 513351.

It is an arithmetic number, because the mean of its divisors is an integer number (7186088).

Almost surely, 2^61594980 is an apocalyptic number.

61594980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61594980 is an abundant number, since it is smaller than the sum of its proper divisors (110871132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61594980 is a wasteful number, since it uses less digits than its factorization.

61594980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026595 (or 1026593 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 61594980 is about 7848.2469380111. The cubic root of 61594980 is about 394.9254359067.

The spelling of 61594980 in words is "sixty-one million, five hundred ninety-four thousand, nine hundred eighty".